Here you will find all the terms used in psychology starting with the letter Q. Our site provides information on over 25,000 psychology terms and hundreds of articles.
sets of data that are related owing to their having been collected from the same group on two or more occasions (as with a pre- and posttest), or from two or more sets of individuals who are related or otherwise closely associated (e.g., parents and their children). Also called correlated samples; dependent groups; related samples. Compare independent samples.